DE3681780D1 - Temperaturmessung. - Google Patents
Temperaturmessung.Info
- Publication number
- DE3681780D1 DE3681780D1 DE8686307999T DE3681780T DE3681780D1 DE 3681780 D1 DE3681780 D1 DE 3681780D1 DE 8686307999 T DE8686307999 T DE 8686307999T DE 3681780 T DE3681780 T DE 3681780T DE 3681780 D1 DE3681780 D1 DE 3681780D1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- optical fibre
- deriving
- output signals
- temperature measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Radiation Pyrometers (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8525724A GB2181830B (en) | 1985-10-18 | 1985-10-18 | Temperature measurement |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3681780D1 true DE3681780D1 (de) | 1991-11-07 |
Family
ID=10586878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686307999T Expired - Fee Related DE3681780D1 (de) | 1985-10-18 | 1986-10-15 | Temperaturmessung. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4859065A (de) |
EP (1) | EP0225023B1 (de) |
AT (1) | ATE68051T1 (de) |
CA (1) | CA1287234C (de) |
DE (1) | DE3681780D1 (de) |
GB (1) | GB2181830B (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231595A (en) * | 1983-06-06 | 1993-07-27 | Minolta Camera Kabushiki Kaisha | Pyrometer |
DE3627198A1 (de) * | 1986-08-11 | 1988-02-18 | Bbc Brown Boveri & Cie | Anordnung zur zeitlich aufgeloesten optischen rueckstreumessung an lichtwellenleitern |
FR2616905A1 (fr) * | 1987-06-22 | 1988-12-23 | Cordons Equipements Sa | Capteur lineaire de temperature a fibre optique |
GB2210451B (en) * | 1987-09-28 | 1991-06-12 | Plessey Co Plc | Improvements relating to temperature measuring arrangements |
JPH01202633A (ja) * | 1988-02-08 | 1989-08-15 | Minolta Camera Co Ltd | 放射温度計 |
US5125738A (en) * | 1988-12-13 | 1992-06-30 | Sumitomo Electric Industries, Ltd. | Apparatus and system for locating a point or a faulty point in a transmission line |
JPH0769223B2 (ja) * | 1989-06-08 | 1995-07-26 | 旭硝子株式会社 | 温度測定方法および分布型光ファイバー温度センサー |
DE4019980B4 (de) * | 1989-06-22 | 2004-01-29 | Hitachi Cable, Ltd. | Einrichtung zum Messen der Temperatur in Längsrichtung eines Lichtleitsensors |
US4962319A (en) * | 1989-07-28 | 1990-10-09 | Gte Government Systems Corporation | Remote subsurface water temperature measuring apparatus with Brillouin scattering |
US4973853A (en) * | 1989-07-28 | 1990-11-27 | Gte Government Systems Corporation | Remote subsurface water temperature measuring apparatus with Brillouin scattering |
US4948958A (en) * | 1989-08-01 | 1990-08-14 | Gte Government Systems Corporation | Remote subsurface water temperature measuring apparatus with brillouin scattering |
US5144374A (en) * | 1990-04-27 | 1992-09-01 | Cselt - Centro Studi E Laboratori Telecommunicazioni S.P.A. | Optical spectroscopy system |
US5028146A (en) * | 1990-05-21 | 1991-07-02 | Kabushiki Kaisha Toshiba | Apparatus and method for measuring temperatures by using optical fiber |
JPH05240717A (ja) * | 1992-02-28 | 1993-09-17 | Kawasaki Steel Corp | 光ファイバ式温度分布測定装置 |
DE4213717A1 (de) * | 1992-04-25 | 1993-10-28 | Asea Brown Boveri | Verfahren zur Ermittlung eines Häufigkeits-Zeitprofils von Ereignissen sowie Vorrichtung zur Durchführung des Verfahrens |
US5356220A (en) * | 1992-05-29 | 1994-10-18 | Kawasaki Steel Corporation | Method and apparatus for monitoring temperature of blast furnace and temperature control system using temperature monitoring apparatus |
US5263776A (en) * | 1992-09-25 | 1993-11-23 | International Business Machines Corporation | Multi-wavelength optical thermometry |
JPH06136678A (ja) * | 1992-10-29 | 1994-05-17 | Toshiba Corp | 連続蒸解釜温度分布制御装置 |
GB9315231D0 (en) * | 1993-07-22 | 1993-09-08 | York Ltd | Optical time domain reflextometry |
US20030234921A1 (en) * | 2002-06-21 | 2003-12-25 | Tsutomu Yamate | Method for measuring and calibrating measurements using optical fiber distributed sensor |
CN100460864C (zh) * | 2005-12-09 | 2009-02-11 | 中国科学院上海技术物理研究所 | 一种检测氮化镓基半导体发光二极管结温的方法 |
US7585107B2 (en) | 2006-01-17 | 2009-09-08 | Weatherford/Lamb, Inc. | Corrected DTS measurements based on Raman-Stokes signals |
US7744275B2 (en) * | 2006-05-31 | 2010-06-29 | Hitachi Cable, Ltd. | Optical fiber temperature sensing device |
CA2692804C (en) * | 2007-07-18 | 2017-01-24 | Sensortran, Inc. | Dual source auto-correction in distributed temperature systems |
CA2738627A1 (en) * | 2008-09-27 | 2010-04-01 | Sensortran, Inc. | Auto-correcting or self-calibrating dts temperature sensing sytems and methods |
DE102009056058B4 (de) | 2009-11-25 | 2021-08-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zur Erzeugung von Anregungsstrahlung für selbstkalibrierende faseroptische Raman-Sensoren, Messeinrichtung zum Erfassen der Temperatur eines Messobjekts und Raman-Sensoranordnung |
FR2979990B1 (fr) * | 2011-09-09 | 2013-12-27 | Andra | Dispositif d'etalonnage en temperature et procedes d'etalonnage en temperature et positionnement d'un capteur de temperature a fibre optique |
US9964453B2 (en) | 2014-03-14 | 2018-05-08 | Optromix Company | Device and method for high precision fiber-optic temperature profile measurements in long length areas |
FR3029625B1 (fr) | 2014-12-08 | 2021-04-02 | Electricite De France | Dispositif de mesure locale de temperature, cellule et procede d'utilisation associes |
EP3321905B1 (de) * | 2016-11-11 | 2022-10-12 | Kidde Technologies, Inc. | Auf hochempfindlicher faseroptik basierende detektion |
EP3605048B1 (de) | 2018-08-01 | 2023-05-24 | Viavi Solutions Inc. | Doppelwellenlängenverteilte temperaturmessung mit eingebauter faserintegritätsüberwachung |
US11280687B2 (en) | 2018-08-31 | 2022-03-22 | Viavi Solutions Inc. | Dual wavelength distributed temperature sensing with built-in fiber integrity monitoring |
JPWO2021020460A1 (de) | 2019-07-30 | 2021-02-04 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986775A (en) * | 1974-12-26 | 1976-10-19 | The United States Of America As Represented By The Secretary Of The Navy | Remote measurement of fluid temperature by raman scattered radiation |
US4011013A (en) * | 1975-04-21 | 1977-03-08 | Allied Chemical Corporation | Multifrequency excitation of gas rotational spectra |
US4176960A (en) * | 1975-10-21 | 1979-12-04 | United Technologies Corporation | Spatial resolution enhancement in coaxial light scattering systems |
US4081215A (en) * | 1976-05-18 | 1978-03-28 | General Electric Company | Stable two-channel, single-filter spectrometer |
JPS57166529A (en) * | 1981-04-07 | 1982-10-14 | Omron Tateisi Electronics Co | Method and device for measuring temperature |
JPS599526A (ja) * | 1982-07-08 | 1984-01-18 | Agency Of Ind Science & Technol | 温度測定装置 |
GB2140554A (en) * | 1983-05-26 | 1984-11-28 | Plessey Co Plc | Temperature measuring arrangement |
-
1985
- 1985-10-18 GB GB8525724A patent/GB2181830B/en not_active Revoked
-
1986
- 1986-10-07 US US06/916,142 patent/US4859065A/en not_active Expired - Fee Related
- 1986-10-15 AT AT86307999T patent/ATE68051T1/de not_active IP Right Cessation
- 1986-10-15 EP EP86307999A patent/EP0225023B1/de not_active Expired
- 1986-10-15 DE DE8686307999T patent/DE3681780D1/de not_active Expired - Fee Related
- 1986-10-16 CA CA000520590A patent/CA1287234C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1287234C (en) | 1991-08-06 |
EP0225023A2 (de) | 1987-06-10 |
GB2181830B (en) | 1990-02-07 |
GB2181830A (en) | 1987-04-29 |
US4859065A (en) | 1989-08-22 |
EP0225023B1 (de) | 1991-10-02 |
ATE68051T1 (de) | 1991-10-15 |
EP0225023A3 (en) | 1989-03-22 |
GB8525724D0 (en) | 1985-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |